<template>
  <div class="login-container">
    <div class="title-container">
      <h2 class="title1">香河消费广场小程序</h2>
    </div>
    <div class="banner">
      <div class="banner-container">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">
          <el-form-item prop="username">
            <span class="svg-container">
              <svg-icon icon-class="user" />
            </span>
            <el-input
              ref="username"
              v-model="loginForm.username"
              placeholder="请输入用户名"
              name="username"
              type="text"
              tabindex="1"
              autocomplete="on"
            />
          </el-form-item>

          <el-tooltip v-model="capsTooltip" content="键盘已切换到大写状态" placement="right" manual>
            <el-form-item prop="password">
              <span class="svg-container">
                <svg-icon icon-class="password" />
              </span>
              <el-input
                :key="passwordType"
                ref="password"
                v-model="loginForm.password"
                :type="passwordType"
                placeholder="请输入密码"
                name="password"
                tabindex="2"
                autocomplete="on"
                @keyup.native="checkCapslock"
                @blur="capsTooltip = false"
                @keyup.enter.native="handleLogin"
              />
              <span class="show-pwd" @click="showPwd">
                <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
              </span>
            </el-form-item>
          </el-tooltip>

          <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;height:50px;font-size:18px;" @click.native.prevent="handleLogin">登 录</el-button>

        </el-form>
      </div>
    </div>
    <div class="copyright">Copyright 2022 All Rights Reserved.</div>
  </div>
</template>

<script>
import Cookies from 'js-cookie'
export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (value.length < 3) {
        callback(new Error('用户名至少3个字符'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 3) {
        callback(new Error('密码至少3个字符'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      passwordType: 'password',
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {}
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
  },
  mounted() {
    if (this.loginForm.username === '') {
      this.$refs.username.focus()
    } else if (this.loginForm.password === '') {
      this.$refs.password.focus()
    }
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          // this.$store.dispatch('user/login', { username: this.loginForm.username, password: this.loginForm.password })
          //   .then(() => {
          //     this.$router.push({ path: this.redirect || '/', query: this.otherQuery })
          //     // this.$router.push({ path: '/' })
          //     this.loading = false
          //   })
          //   .catch(() => {
          //     this.loading = false
          //   })
          this.$http
            .post('/api/sysUser/login', { username: this.loginForm.username, password: this.loginForm.password })
            .then(response => {
              this.loading = false
              if (response.data.success === true) {
                localStorage.clear()
                console.log('登录成功')
                this.$message({
                  message: '登录成功',
                  type: 'success'
                })
                const token = response.data.token
                const TokenKey = 'Admin-Token'
                Cookies.set(TokenKey, token)
                // var params = { data: token, user: this.loginForm.username }
                // 保存cookie和登录名
                // this.$store.commit(types.LOGIN, params)
                // 跳转到主页
                localStorage.setItem('token', token)
                localStorage.setItem('user', JSON.stringify(response.data.user))
                console.log(response.data.user)
                this.$router.push({ path: this.redirect || '/', query: this.otherQuery })
              } else {
                console.log('登录失败:' + response.data.message)
                this.$message({
                  message: '登录失败:' + response.data.message,
                  type: 'error'
                })
              }
            })
            .catch(function(error) {
              console.log(error)
              this.loading = false
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    }
    // afterQRScan() {
    //   if (e.key === 'x-admin-oauth-code') {
    //     const code = getQueryObject(e.newValue)
    //     const codeMap = {
    //       wechat: 'code',
    //       tencent: 'code'
    //     }
    //     const type = codeMap[this.auth_type]
    //     const codeName = code[type]
    //     if (codeName) {
    //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
    //         this.$router.push({ path: this.redirect || '/' })
    //       })
    //     } else {
    //       alert('第三方登录失败')
    //     }
    //   }
    // }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

// $bg:#283443;
$bg:#005BBC;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .banner{
    clear:both;
    overflow: hidden;
    background-repeat:repeat-x;
    background-color: #021661;
  }
  .banner-container{
    background-repeat:no-repeat;
    background-image:url('../../assets/banner.png');
    background-position: top center;
    width: 1400px;
    margin:0 auto;
    height: 515px;
  }
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: #2d3a4b;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px #E2F4FF inset !important;
        -webkit-text-fill-color: #000 !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid #fff;
    background: #E2F4FF;
    border-radius: 5px;
    color: #000;
  }
}
.login-container input:-internal-autofill-selected {
  box-shadow:none !important;
}
.copyright{
  font-size: 16px;
  color: #ccc;
  text-align: center;
  padding-top: 60px;
}

</style>

<style lang="scss" scoped>
$bg:#fff;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;

  .login-form {
    position: relative;
    width: 540px;
    max-width: 100%;
    padding: 160px 85px 0;
    margin: auto 0 auto auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    overflow: hidden;
    width: 1100px;
    margin:68px auto 23px;
    .logo{
      width:76px;
      height:81px;
      float: left;
      background-repeat:no-repeat;
      background-image:url('../../assets/logo.png');
    }
    .title1 {
      width: 100%;
      line-height: 81px;;
      font-size: 50px;
      color: #021661;
      margin: 0 0 0 20px;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
